Find the largest open interval where the function is changing as requested.Increasing y = (x2 - 9)2
A. (-?, 0)
B. (-3, 0)
C. (-3, 3)
D. (3, ?)
Answer: D
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A doctor orders 40 mg/m2 of prednisone for a patient who weighs 160 lb and is 5 ft 8 in tall. How many mg of this drug should be administered?
A. 74 mg B. 139 mg C. 70 mg D. 120 mg
Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Assume that different sizes of the same brand are being compared. Cream Rinse: $6.71 for 12 ounces $5.50 for 10 ounces
A. $5.50 for 10 ounces B. $6.71 for 12 ounces C. Both cost the same per ounce.
Test the equation for symmetry with respect to the given axis, line, or pole.r = 4 + 4 cos ?;
polar axis
A. may or may not have symmetry with respect to the polar axis B. has symmetry with respect to the polar axis
Simplify using the rules for exponents.
3
A. 
B. 
C. 
D. 